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2015 | 9 | 3 | 133-158
Tytuł artykułu

Charts of the ‘Innocent’ Subjects in the Searching Peak of Tension Tests

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Języki publikacji
EN
Abstrakty
EN
The assessment of physiological parameters of the innocent subjects in the SPOT in the presented cases has its limits, while a comparison of these parameters with the charts of the perpetrators causes doubts as to the methodological soundness (lack of a sufficient number of cases). There are as many as four reasons hindering the assessment. First of all, the number of presented charts of the innocent subjects is small; they are practically isolated cases and with tests featuring mainly names (given names, pseudonyms). Secondly, I did not repeat the SPOT if it did not cause any reaction and at the same time the preliminary assessment of the CQT charts was positive for the subjects. Th is makes it impossible to compare physiological parameters of the subject in at least two SPOT charts in order to assess the evolution of the emotional activation. The parameters recorded during a SPOT were compared with the fi rst CQT chart, but this article does not present them. Another problem results from the fact that the category of the ‘innocent’ includes the charts of two subjects (the witness of the behaviour of the possible perpetrator after the murder and the instigator of a murder). I included them in the groups of the ‘innocent’ only because the version before the examination assumed that they were the murderers, while their reactions to the control questions in the CQT were greater than those to the fundamental relevant question (‘Did you do it?’). As I mentioned above, physiological parameters of the two men in the consecutive CQT charts hinted at intensifi cation of emotions and the subjects themselves also displayed external manifestations of emotions. In principle, their charts should be presented in the group of ‘the perpetrators’. Although the manifestations of emotions were distinct, their assessment was subjective – and it cannot be verifi ed. Both subjects interfered with the examination: one refused to have his blood pressure and pulse recorded and the other interrupted the examination. This behaviour is typical for ‘the perpetrators’. Both subjects were involved in the cases, but not in the way the investigators had originally assumed. Let me add here that this is my opinion and it has not been backed by legal decisions. Physiological parameters of the innocent subjects presented in the SPOT charts can only be assessed visually, because the Lafayette polygraphs which I used did not record them digitally. A visual assessment is not precise and to great extent subjective. Only one parameter – the pulse rate – lends itself to digital assessment, but with the reservations mentioned above.
Wydawca

Czasopismo
Rocznik
Tom
9
Numer
3
Strony
133-158
Opis fizyczny
Daty
wydano
2015-09-01
online
2015-12-04
Twórcy
Bibliografia
  • Federal Psychophysiological Detection of Deception Examiner Handbook, Polygraph 2011, Vol. 40, No. 1. Special Edition, p. 43.
  • Jaworski R., Evaluation of Polygraph Examination against a Background of its Evidential and Investigative Significance, Journal of Forensic Identification, 2004, 54, 4, 448-464.
  • Jaworski R., Multi-subject polygraph examinations, University Press, Wroclaw 2008, pp. 35-44.
  • Jaworski R., Observations from the Analysis of Searching Peak of Tension Test (SPOT) Charts, European Polygraph, 2015, 9, 1 (31), 25-54.
  • Nakayama M., Practical Use of the Concealed Information Test for Criminal Investigation in Japan [in:] M. Kleiner (ed.), Handbook of Polygraph Testing, Academic Press, 2002, London, p. 58.
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_1515_ep-2015-0006
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